Ducati 860GTS (1976-79) vs Ducati Hypermotard Troy Replica (2010) vs Ducati ST4S (2003-04)
Comparison technical specifications
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| Make: | Ducati | Ducati | Ducati |
| Model: | 860GTS | Hypermotard Troy Replica | ST4S |
| Years: | 1976-79 | 2010 | 2003-04 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valves per cylinder | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder. |
| Capacity: | 864 cc / 52.7 cu in | 1078 cc / 65.8 cu in | 996 cc / 60.8 cu in |
| Bore x Stroke: | 86 x 74.4 mm | 98 x 71.5 mm | 98 x 66 mm |
| Compression Ratio: | 9.0:1 | 10.0:1 | 11.5:1 |
| Cooling System: | Air cooled | Air cooled | Liquid cooled |
| Induction: | 2 x 32mm Dell'Orto PHF 32 A (C) carburetors | Fuel Injection, 45 mm throttle body | Fuel injection, 50 mm throttle body |
| Ignition: | Electronic | Marelli electronic | Marelli electronic |
| Starting: | Kick (electric starter optional) | Electric | Electric |
| Max Power: | 41.9 kW / 57 hp @ 7700 rpm | 69.9 kW / 95 hp / @ 7500 rpm | 85.3 kW / 117 hp @ 8750 rpm |
| Clutch: | Wet, multiplate | Dry multiplate with hydraulic control | Wet multiplate with hydraulic control |
| Transmission: | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain, front sprocket 15, rear sprocket 42 | Chain; front sprocket 15; rear sprocket 38 |
| Front Suspension: | Marzocchi fork | 50mm Marzocchi forks, fully adjustable with DLC | Showa 43 mm fully adjustable upside-down front fork with TiN surface treatment, |
| Rear Suspension: | Marzocchi dual shocks, 3-way adjustable | Progressive linkage with fully adjustable Öhlins monoshock. Aluminium single-sided swingarm . | Progressive linkage with fully adjustable Öhlins monoshock with remote control preload adjustment. Aluminium swingarm |
| Front Brakes: | Single 280mm disc, 1 piston caliper | 2 x 305 mm Semi-floating discs, radially mounted Brembo Monobloc calipers 4-pistons, 2-pads | 2x 320mm discs 4 piston calipers with abs |
| Rear Brakes: | 200mm Drum | Single 245mm disc, 2-piston caliper | Single 245mm disc 2 piston caliper with abs |
| Front Tyre: | 3.50 H18 | 120/70 ZR 17, Pirelli Diablo Rosso | 120/70 - ZR17 |
| Rear Tyre: | 4.00 H18 | 180/55 ZR 17, Pirelli Diablo Rosso | 190/50 - ZR17 |
| Wheelbase: | 1550 mm / 61.0 in | 1455 mm / 57.28 in | 1430 mm / 56.3 in |
| Seat Height: | 825 mm / 32.5 in | 845 mm / 33.2 in | 820 mm / 32.3 in |
| Dry Weight: | 185 kg / 408 lbs | 172 kg / 379 lbs | 217 kg / 478 lbs |
| Fuel Capacity: | 18 L / 4.8 US gal / 4.0 Imp gal | 12.4 Litres / 3.3 US gal / 2.7 Imp gal | 21 Litres / 5.5 US gal / 4.6 Imp gal |
| Standing ¼ Mile: | 13.1 sec | 12.0 sec / 178.1 km/h / 110.7 mph | 10.7 sec |
| Top Speed: | 195 km/h / 121 mph | 220 km/h / 136.7 mph | 249 km/h / 155 mph |